Home / 21,129,495.21-31,705,051.50-10,063,094.16

Finding the Fourth Proportional to 21,129,495.21, 31,705,051.50 and 10,063,094.16

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Solution

The fourth proportional to 21,129,495.21, 31,705,051.50 and 10,063,094.16 is: 15,099,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,129,495.21 : 31,705,051.50 = 10,063,094.16 : x
  2. Step 2: Convert to fraction form
    21,129,495.21/31,705,051.50 = 10,063,094.16/x
  3. Step 3: Cross multiply
    21,129,495.21x = 31,705,051.50 × 10,063,094.16
  4. Step 4: Simplify right side
    21,129,495.21x = 319,050,918,592,149.25
  5. Step 5: Solve for x
    x = 319,050,918,592,149.25/21,129,495.21
  6. Step 6: Final answer
    x = 15,099,788.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.